src/share/vm/opto/memnode.hpp

*** 1011,1033 ****
    virtual int Opcode() const;
  };
  
  //------------------------------ClearArray-------------------------------------
  class ClearArrayNode: public Node {
  public:
!   ClearArrayNode( Node *ctrl, Node *arymem, Node *word_cnt, Node *base )
!     : Node(ctrl,arymem,word_cnt,base) {
      init_class_id(Class_ClearArray);
    }
    virtual int         Opcode() const;
    virtual const Type *bottom_type() const { return Type::MEMORY; }
    // ClearArray modifies array elements, and so affects only the
    // array memory addressed by the bottom_type of its base address.
    virtual const class TypePtr *adr_type() const;
    virtual Node* Identity(PhaseGVN* phase);
    virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
    virtual uint match_edge(uint idx) const;
  
    // Clear the given area of an object or array.
    // The start offset must always be aligned mod BytesPerInt.
    // The end offset must always be aligned mod BytesPerLong.
    // Return the new memory.
--- 1011,1036 ----
    virtual int Opcode() const;
  };
  
  //------------------------------ClearArray-------------------------------------
  class ClearArrayNode: public Node {
+ private:
+   bool _is_large;
  public:
!   ClearArrayNode( Node *ctrl, Node *arymem, Node *word_cnt, Node *base, bool is_large = false)
!     : Node(ctrl,arymem,word_cnt,base), _is_large(is_large) {
      init_class_id(Class_ClearArray);
    }
    virtual int         Opcode() const;
    virtual const Type *bottom_type() const { return Type::MEMORY; }
    // ClearArray modifies array elements, and so affects only the
    // array memory addressed by the bottom_type of its base address.
    virtual const class TypePtr *adr_type() const;
    virtual Node* Identity(PhaseGVN* phase);
    virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
    virtual uint match_edge(uint idx) const;
+   bool is_large() const { return _is_large; }
  
    // Clear the given area of an object or array.
    // The start offset must always be aligned mod BytesPerInt.
    // The end offset must always be aligned mod BytesPerLong.
    // Return the new memory.